Two-Ply Jumbo Tex is a member of the Jumbo Tex family - a product line that has set the industry standard for effectiveness and durability as a weather-resistive barrier behind all major exterior wall claddings, especially stucco. It has been chosen by builders and architects to protect over five million homes and commercial buildings from the problems caused by water intrusion and excessive moisture. Two-Ply Jumbo Tex is engineered for production and custom residential construction applications that require a tough water and moisture barrier that offers outstanding protection. It delivers over ten times the water resistance of regular Grade "D" building paper, while having the durability to endure rugged jobsite conditions. Applicable Standards: UU-B-790a, Type 1, Grade "D", Style 2, International Code Council Evaluation Services Acceptance Criteria, Uniform Building Code Standard 14-1., International Building Code: Section 1404.2, International Residential Code: Section R703.2, ICC Evaluation Service Report 1027, ASTM D779, ASTM D828, ASTM E96, ASTM E2556, LEED